EP0124222A3 - Monochrome-compatible color slow scan television system - Google Patents

Monochrome-compatible color slow scan television system Download PDF

Info

Publication number: EP0124222A3
Authority: EP; European Patent Office
Prior art keywords: monochrome; television system; slow scan; compatible color; scan television
Prior art date: 1983-04-04
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP84301656A

Other versions

EP0124222B1 (en

EP0124222A2 (en

Inventor

John P. Stahler

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CESSIONE;ROBOT ACQUISITION CORPORATION

Original Assignee

ROBOT RESEARCH Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1983-04-04

Filing date

1984-03-12

Publication date

1985-11-06

1984-03-12 Application filed by ROBOT RESEARCH Inc filed Critical ROBOT RESEARCH Inc

1984-11-07 Publication of EP0124222A2 publication Critical patent/EP0124222A2/en

1985-11-06 Publication of EP0124222A3 publication Critical patent/EP0124222A3/en

1989-10-18 Application granted granted Critical

1989-10-18 Publication of EP0124222B1 publication Critical patent/EP0124222B1/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined

EP84301656A 1983-04-04 1984-03-12 Monochrome-compatible color slow scan television system Expired EP0124222B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US481752		1983-04-04
US06/481,752 US4651195A (en)	1983-04-04	1983-04-04	Monochrome-compatible color slow scan television system

Publications (3)

Publication Number	Publication Date
EP0124222A2 EP0124222A2 (en)	1984-11-07
EP0124222A3 true EP0124222A3 (en)	1985-11-06
EP0124222B1 EP0124222B1 (en)	1989-10-18

Family

ID=23913251

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP84301656A Expired EP0124222B1 (en)	1983-04-04	1984-03-12	Monochrome-compatible color slow scan television system

Country Status (4)

Country	Link
US (1)	US4651195A (en)
EP (1)	EP0124222B1 (en)
CA (1)	CA1208768A (en)
DE (1)	DE3480254D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4635098A (en) *	1984-01-09	1987-01-06	Tektronix, Inc.	Method and system for improved reconstruction of video images in line sequential chroma format
JPH0632477B2 (en) *	1988-01-25	1994-04-27	松下電器産業株式会社	Signal transmission method
DE68927071T2 (en) *	1988-05-11	1997-01-16	Nec Corp	Device for the simultaneous output of several image signals derived from a video signal, with a single digital-to-analog converter
US5345272A (en) *	1990-06-01	1994-09-06	Thomson Consumer Electronics, Inc.	Delay matching for video data during expansion and compression
GB9012326D0 (en) *	1990-06-01	1990-07-18	Thomson Consumer Electronics	Wide screen television
JPH07135612A (en) *	1993-11-11	1995-05-23	Tasuko Denki Kk	Picture signal converter, sstv signal demodulator and video signal demodulator
US7610012B2 (en) *	2003-04-14	2009-10-27	Jones Jabari Keith	Radio vision electronic network/analog output/viewing system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4057836A (en) *	1976-01-22	1977-11-08	Robot Research, Inc.	Slow scan television scan converter
US4084181A (en) *	1976-01-21	1978-04-11	Hitachi, Ltd.	Apparatus for transmission of chrominance signals during blanking period

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3617620A (en) *	1967-05-08	1971-11-02	Matsushita Electric Ind Co Ltd	Method and apparatus for transmitting or recording and reproducing line-sequential color television signals
NL7017427A (en) *	1970-11-28	1972-05-30	Philips Nv
US4335393A (en) *	1980-04-15	1982-06-15	Harris Video Systems, Inc.	Method and system using sequentially encoded color and luminance processing of video type signals to improve picture quality

1983
- 1983-04-04 US US06/481,752 patent/US4651195A/en not_active Expired - Lifetime
1984
- 1984-03-12 EP EP84301656A patent/EP0124222B1/en not_active Expired
- 1984-03-12 DE DE8484301656T patent/DE3480254D1/en not_active Expired
- 1984-03-23 CA CA000450305A patent/CA1208768A/en not_active Expired

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4084181A (en) *	1976-01-21	1978-04-11	Hitachi, Ltd.	Apparatus for transmission of chrominance signals during blanking period
US4057836A (en) *	1976-01-22	1977-11-08	Robot Research, Inc.	Slow scan television scan converter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FUNKSCHAU, no. 24, November 1980, München; "Schmalband-Fernsehen (SSTV)", pages 73,74 *

Also Published As

Publication number	Publication date
DE3480254D1 (en)	1989-11-23
EP0124222B1 (en)	1989-10-18
CA1208768A (en)	1986-07-29
EP0124222A2 (en)	1984-11-07
US4651195A (en)	1987-03-17

Legal Events

Date	Code	Title	Description
1984-09-07	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1984-11-07	AK	Designated contracting states	Designated state(s): DE FR GB IT
1985-09-02	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1985-11-06	AK	Designated contracting states	Designated state(s): DE FR GB IT
1986-07-09	17P	Request for examination filed	Effective date: 19860502
1988-06-22	17Q	First examination report despatched	Effective date: 19880506
1989-09-02	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1989-10-18	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1989-10-26	ITF	It: translation for a ep patent filed	Owner name: JACOBACCI & PERANI S.P.A.
1989-11-23	REF	Corresponds to:	Ref document number: 3480254 Country of ref document: DE Date of ref document: 19891123
1990-01-12	ET	Fr: translation filed
1990-08-09	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1990-08-09	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1990-09-26	26N	No opposition filed
1993-03-31	ITTA	It: last paid annual fee
1994-05-11	REG	Reference to a national code	Ref country code: GB Ref legal event code: 732E
1994-06-10	ITPR	It: changes in ownership of a european patent	Owner name: CESSIONE;ROBOT ACQUISITION CORPORATION
1994-07-13	REG	Reference to a national code	Ref country code: FR Ref legal event code: TP
2000-02-02	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20000202 Year of fee payment: 17
2000-02-22	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20000222 Year of fee payment: 17 Ref country code: DE Payment date: 20000222 Year of fee payment: 17
2001-03-12	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20010312
2001-10-31	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20010312
2001-11-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20011130
2001-12-28	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2002-01-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020101

Publication	Publication Date	Title
GB2145603B (en)	1988-01-06	Progressive scan television system
GB8303313D0 (en)	1983-03-09	Colour television system
DE3564525D1 (en)	1988-09-22	Image scanning procedure
GB8408782D0 (en)	1984-05-16	Colour television signal
GB2132387B (en)	1987-11-11	Colour video system syncronisation
GB8702141D0 (en)	1987-03-04	Progressive scan television system
GB8712043D0 (en)	1987-06-24	Television system
DE3465404D1 (en)	1987-09-17	Television system
AU566038B2 (en)	1987-10-08	Raster scan digital display system
AU569315B2 (en)	1988-01-28	Raster scan display system
GB2145900B (en)	1987-03-04	Progressive scan television display system
GB8626052D0 (en)	1986-12-03	Television system
GB2168219B (en)	1988-05-05	Progressive scan television system
DE3466847D1 (en)	1987-11-19	Extended definition television system
GB2145602B (en)	1987-02-25	Television display scanning system
GB2105548B (en)	1985-05-30	Colour television system
DE3480254D1 (en)	1989-11-23	Monochrome-compatible color slow scan television system
GB8512993D0 (en)	1985-06-26	Colour picture
GB8400911D0 (en)	1984-02-15	Television system
GB8407624D0 (en)	1984-05-02	Television system
GB8307007D0 (en)	1983-04-20	Raster scanning
GB8405957D0 (en)	1984-04-11	Television system
GB8520067D0 (en)	1985-09-18	Slow scan television system
IL71242A0 (en)	1984-06-29	System for processing colour television signals
DE3463334D1 (en)	1987-05-27	Colour television apparatus